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Prove that (sin⁡A  - cos⁡A  + 1)/(sin⁡A  + cos⁡A  - 1)=1/(sec⁡A  - tan⁡A )




This question is exactly same as Example 15 of Chapter 8 Class 10 Trigonometry in the NCERT Book.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.